protected void sanityCheck()

in flink-connector-cassandra/src/main/java/org/apache/flink/streaming/connectors/cassandra/CassandraSink.java [541:550]

• 10 lines of code
• 4 McCabe index (conditional complexity)

        protected void sanityCheck() {
            super.sanityCheck();
            if (query == null || query.length() == 0) {
                throw new IllegalArgumentException("Query must not be null or empty.");
            }
            if (keyspace != null) {
                throw new IllegalArgumentException(
                        "Specifying a default keyspace is only allowed when using a Pojo-Stream as input.");
            }
        }